Partial function: Revision history

27 August 2024

• curprev 21:0321:03, 27 August 2024‎ JayBeeEll talk contribs‎ 15,021 bytes +7‎ Undid revision 1242508094 by FromNeptune (talk) revised version made no sense; maybe moving "to" will be clearer? undo
• curprev 05:0505:05, 27 August 2024‎ FromNeptune talk contribs‎ 15,014 bytes −7‎ Fixed definition of a partial function. The previous definition described a total function. undo Tag: Visual edit

28 May 2024

• curprev 04:4604:46, 28 May 2024‎ Jochen Burghardt talk contribs‎ 15,021 bytes +46‎ Undid revision 1226028343 by Harry585 (talk): no, f is called a partial function from X to Y undo Tag: Undo
• curprev 04:3304:33, 28 May 2024‎ Harry585 talk contribs‎ 14,975 bytes −46‎ Reworded lead to clarify that f is a function from S to Y, NOT a function from X to Y (if S != X) undo Tags: Reverted Visual edit

12 April 2024

• curprev 18:3518:35, 12 April 2024‎ JayBeeEll talk contribs‎ m 15,021 bytes +2‎ No edit summary undo

10 April 2024

• curprev 08:5508:55, 10 April 2024‎ Jochen Burghardt talk contribs‎ 15,019 bytes −26‎ Undid revision 1218034213 by Defiect (talk): was right before undo Tag: Undo

9 April 2024

• curprev 09:5509:55, 9 April 2024‎ Defiect talk contribs‎ 15,045 bytes +26‎ Corrected sentence meaning undo Tags: Reverted Mobile edit Mobile web edit Advanced mobile edit

28 January 2024

• curprev 12:0812:08, 28 January 2024‎ D.Lazard talk contribs‎ 15,019 bytes −2‎ →‎top: this is not here that univalent relations are defined undo
• curprev 01:1001:10, 28 January 2024‎ Rgdboer talk contribs‎ 15,021 bytes −9‎ copyedit undo
• curprev 01:0101:01, 28 January 2024‎ Rgdboer talk contribs‎ m 15,030 bytes +44‎ →‎References: cat undo
• curprev 00:3300:33, 28 January 2024‎ Rgdboer talk contribs‎ 14,986 bytes −56‎ identify as a Univalent relation undo

15 December 2023

• curprev 17:2817:28, 15 December 2023‎ JayBeeEll talk contribs‎ m 15,042 bytes −12‎ Reverted 1 edit by 2001:D08:1392:C2B0:A5A8:CB1D:928B:84F6 (talk) to last revision by PicoMath undo Tags: Twinkle Undo
• curprev 10:5210:52, 15 December 2023‎ 2001:d08:1392:c2b0:a5a8:cb1d:928b:84f6 talk‎ 15,054 bytes +12‎ No edit summary undo Tags: Reverted Mobile edit Mobile web edit

28 November 2023

• curprev 22:3922:39, 28 November 2023‎ PicoMath talk contribs‎ 15,042 bytes +26‎ →‎Subtraction of natural numbers: subtraction of natural numbers is indeed a partial function. undo Tag: Visual edit

13 October 2023

• curprev 21:3321:33, 13 October 2023‎ JayBeeEll talk contribs‎ 15,016 bytes +1‎ Undid revision 1179992068 by Rhosnes (talk) no, the whole phrase is set off undo Tag: Undo
• curprev 19:4919:49, 13 October 2023‎ Rhosnes talk contribs‎ 15,015 bytes −1‎ No edit summary undo Tags: Reverted Visual edit Mobile edit Mobile web edit Advanced mobile edit

12 June 2023

• curprev 23:5323:53, 12 June 2023‎ Viliml talk contribs‎ 15,016 bytes −1‎ →‎Basic concepts: As a function is defined on its whole domain, its inverse is always surjective. undo

11 March 2023

• curprev 07:3307:33, 11 March 2023‎ GünniX talk contribs‎ m 15,017 bytes +7‎ Double pipe in a link undo

9 March 2023

• curprev 21:3521:35, 9 March 2023‎ Jochen Burghardt talk contribs‎ 15,010 bytes −38‎ →‎References: now in side tab undo
• curprev 19:1219:12, 9 March 2023‎ Fgnievinski talk contribs‎ 15,048 bytes +24‎ No edit summary undo Tag: 2017 wikitext editor
• curprev 19:0219:02, 9 March 2023‎ Fgnievinski talk contribs‎ 15,024 bytes +34‎ No edit summary undo Tag: 2017 wikitext editor
• curprev 19:0119:01, 9 March 2023‎ Fgnievinski talk contribs‎ 14,990 bytes +11‎ No edit summary undo Tag: 2017 wikitext editor

16 December 2022

• curprev 18:0118:01, 16 December 2022‎ JayBeeEll talk contribs‎ 14,979 bytes −218‎ →‎Function spaces: it doesn't matter if it's a definition in the universe, it's just being used locally. (A bigger problem is that *the entire section* is unsourced.) undo
• curprev 13:2213:22, 16 December 2022‎ AnomieBOT talk contribs‎ m 15,197 bytes +19‎ Dating maintenance tags: {{Cn}} undo
• curprev 13:0213:02, 16 December 2022‎ Jochen Burghardt talk contribs‎ 15,178 bytes +231‎ →‎Function spaces: require citation that supports (each version of) notation undo

15 December 2022

• curprev 19:2019:20, 15 December 2022‎ JayBeeEll talk contribs‎ 14,947 bytes +6‎ Undid revision 1127436695 by 2601:547:501:8F90:413B:B4AA:7440:58B0 (talk) disagree that this was unnecessary undo Tag: Undo
• curprev 08:0708:07, 15 December 2022‎ Trovatore talk contribs‎ 14,941 bytes +4‎ →‎top: there is no *particular* (Goedel number for) a recursive function such that no algo can decide if it's total -- rather, no algo can decide totality correctly for *all* such functions undo
• curprev 07:3607:36, 15 December 2022‎ Jochen Burghardt talk contribs‎ 14,937 bytes −189‎ Undid revision 1127445478 by D.Lazard (talk): {A \to B} also denotes a singleton set with A \to B as its only element; this *must* lead to confusion, and hence should not be used unless the majority of textbooks uses it undo Tag: Undo

14 December 2022

• curprev 19:1019:10, 14 December 2022‎ D.Lazard talk contribs‎ 15,126 bytes +189‎ →‎Function spaces: using set builder notation for clarification undo Tag: Reverted
• curprev 18:0818:08, 14 December 2022‎ 2601:547:501:8f90:413b:b4aa:7440:58b0 talk‎ 14,937 bytes −6‎ →‎Function spaces: Square brackets unnecessary undo Tag: Reverted

14 August 2022

• curprev 22:0522:05, 14 August 2022‎ Jmcclaskey54 talk contribs‎ 14,943 bytes −33‎ eliminated redundancy undo Tags: Mobile edit Mobile web edit Advanced mobile edit
• curprev 21:5921:59, 14 August 2022‎ Jmcclaskey54 talk contribs‎ 14,976 bytes +13‎ error corrected undo Tags: Mobile edit Mobile web edit Advanced mobile edit

27 June 2022

• curprev 03:1703:17, 27 June 2022‎ 49ersBelongInSanFrancisco talk contribs‎ m 14,963 bytes −73‎ Reverted 1 edit by Nadinkoe1 (talk) to last revision by Jochen Burghardt undo Tags: Twinkle Undo
• curprev 03:1503:15, 27 June 2022‎ Nadinkoe1 talk contribs‎ 15,036 bytes +73‎ No edit summary undo Tags: Reverted Visual edit

10 April 2022

• curprev 16:1916:19, 10 April 2022‎ Jochen Burghardt talk contribs‎ 14,963 bytes −11‎ →‎Basic concepts: typo; avoid triple "-" undo
• curprev 16:1716:17, 10 April 2022‎ Jochen Burghardt talk contribs‎ 14,974 bytes +212‎ →‎Basic concepts: suggest to mention unknown domain as one main application of part. fct.s; I'd prefer a math example to the given cs example, but I don't know any undo
• curprev 14:5414:54, 10 April 2022‎ JayBeeEll talk contribs‎ 14,762 bytes +1,117‎ →‎Basic concepts: add some stuff so that the lead is recapitulating the body undo
• curprev 14:4614:46, 10 April 2022‎ JayBeeEll talk contribs‎ 13,645 bytes −310‎ →‎Function: this uncited section says next to nothing about the subject of this article, and says it in an extremely jargon-heavy and technical manner undo
• curprev 14:3714:37, 10 April 2022‎ JayBeeEll talk contribs‎ 13,955 bytes −136‎ Remove recent addition, to discuss on talk undo
• curprev 13:1713:17, 10 April 2022‎ D.Lazard talk contribs‎ 14,091 bytes −34‎ →‎top: revert of a previous edit: the definition must appear after the object that is defined undo
• curprev 13:0013:00, 10 April 2022‎ D.Lazard talk contribs‎ 14,125 bytes +136‎ →‎top: clarification (see talk) undo
• curprev 12:5212:52, 10 April 2022‎ D.Lazard talk contribs‎ 13,989 bytes −1‎ moving the template to "See also" section undo
• curprev 12:3012:30, 10 April 2022‎ Madyno talk contribs‎ 13,990 bytes +34‎ The other way around undo

8 January 2022

• curprev 14:5914:59, 8 January 2022‎ Thatsme314 talk contribs‎ 13,956 bytes −1‎ No edit summary undo Tags: Mobile edit Mobile web edit

15 July 2021

• curprev 11:3511:35, 15 July 2021‎ JayBeeEll talk contribs‎ 13,957 bytes −3‎ Reverted 2 edits by 2001:43F8:754:3150:325A:3AFF:FE7E:3629 (talk): To the extent that this is clear, it is wrong undo Tags: Twinkle Undo
• curprev 11:0011:00, 15 July 2021‎ 2001:43f8:754:3150:325a:3aff:fe7e:3629 talk‎ 13,960 bytes +5‎ Clarified which definitions I'm relying on, clarified wording undo Tag: Reverted
• curprev 10:5110:51, 15 July 2021‎ 2001:43f8:754:3150:325a:3aff:fe7e:3629 talk‎ 13,955 bytes −2‎ Re-explained the relationship between partial bijective and partial injective - I found the previous explanation to be a bit confusing. Removed unnecessary reference: the existing definitions suffice for explaining the link. undo Tags: Reverted references removed

8 July 2021

• curprev 17:1317:13, 8 July 2021‎ Mgkrupa talk contribs‎ 13,957 bytes +105‎ No information was added, removed, or changed. Only copy editing to make this article more compliant with MOS:MATH and WP:ACCESSIBILITY. Minor rewording/rearranging/fixes. Spell out abbreviations s.t./iff/i.e./can't/... and symbols ∀∃⇔⇒∨∧¬ (exceptions for e.g. formal logic). Try to write complete sentences. Avoid we/one/us/clearly/note/... Avoid symbols that might not render correctly in some browsers like Unicode ∪∩≠≤→∈∑⊕√∞ or σℱ𝔉𝔽ℝℂℕ by e.g. replacing them with LaTeX. undo

7 April 2021

• curprev 20:5420:54, 7 April 2021‎ Davidechiavelli87 talk contribs‎ 13,852 bytes +4‎ the "function" typed before isn't even a function undo Tag: Visual edit

24 March 2021

• curprev 07:0507:05, 24 March 2021‎ Jochen Burghardt talk contribs‎ 13,848 bytes −2‎ →‎top: suggest to use fct. name, and to insert 'then' to avoid adjacent formulas undo